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How to use Chromecast to stream music to dumb speakers (as Chromecast Audio does)?

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How to use Chromecast to stream music to dumb speakers (as Chromecast Audio does)?

Although Chromecast Audio was discontinued, you can still make your vintage speakers or favourite AVR systems alive by using Chromecast to stream music to dumb speakers, just like what Chromecast Audio does.

Of course, this may require additional setup and one additional gadget (a few bucks) unless your speaker or AV supports HDMI input.

This Chromecast guide explains why you may consider using Chromecast to stream music to dumb speakers and how to set up the system so that you can continue streaming music to the speakers and AV systems without Chromecast Audio.

Update: the latest Chromecast 2020 (Chromecast with Google TV; Chromecast 4th Gen) merges Chromecast, Chromecast Ultra, and Android TV. There is no successor to Chromecast Audio. The Android TV OS enables some useful features, e.g., accessing Google Play Store, enabling developer options, and sideloading apps. The voice remote also added new ways to control the Chromecast with Google TV.

Update 2: Google TV Streamer now replaces Chromecast with Google TV. You may use the HDMI output of Google TV Streamer for your AV system or dumb speakers.

Why do you want to use Chromecast (or Chromecast Ultra) as Chromecast

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How to use Chromecast Ultra to stream 4K content?

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use Chromecast Ultra to stream 4K contents

If you want to stream 4K content among the Chromecast family (Chromecast, Chromecast Audio, and Chromecast Ultra), only Chromecast Ultra (update: and the Chromecast 2020, aka Chromecast with Google TV) has this capability. Google TV Streamer also supports 4K streaming.

But a lot of Chromecast Ultra owners found they cannot stream 4K content with Chromecast Ultra.

What are the possible causes? What are the solutions?

This Chromecast guide first explains the requirements of using Chromecast to stream 4K content, then shows you the solutions for some problems related to streaming 4K content with Chromecast Ultra, Chromecast with Google TV, and Google TV Streamer.

The 6 requirements of using Chromecast Ultra to stream 4K contents

Chromecast Ultra is a very powerful streaming gadget.

You can use Chromecast Ultra to stream 4K Ultra HD content with HDR.  While normal Chromecast (Chromecast and Chromecast 2nd Generation)  can only stream full HD content (1080p) without HDR.

Although Chromecast does not require a 4K TV, there are a few requirements to meet if you want to use Chromecast Ultra to stream 4K content, including:

  1. a 4K TV;
  2. fast internet connection (at least 10-20Mbps);
  3. HDCP 2.2  support;
  4. the original power
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